Pith Number

pith:4Q3LSSO6

pith:2005:4Q3LSSO6HVGAOLX23WIK3WR33W

not attested not anchored not stored refs pending

H-space structure on pointed mapping spaces

Daniel Tanre, Yves Felix

arxiv:math/0507147 v1 · 2005-07-07 · math.AT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4Q3LSSO6HVGAOLX23WIK3WR33W}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:41:32.019239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e436b949de3d4c072efadd90adda3bddb5077e73bab2dc951d5b7f0c4e3e74c4

Aliases

arxiv: math/0507147 · arxiv_version: math/0507147v1 · doi: 10.48550/arxiv.math/0507147 · pith_short_12: 4Q3LSSO6HVGA · pith_short_16: 4Q3LSSO6HVGAOLX2 · pith_short_8: 4Q3LSSO6

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/4Q3LSSO6HVGAOLX23WIK3WR33W \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: e436b949de3d4c072efadd90adda3bddb5077e73bab2dc951d5b7f0c4e3e74c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a847eacc0b067546a22881bc4460715b1e94c56e9690fca342cad19b11de0964",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AT",
    "submitted_at": "2005-07-07T15:32:53Z",
    "title_canon_sha256": "cb9857b59aa135e884b27635ff8332c3e30fe053c093e65ff027840e2a78ef91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0507147",
    "kind": "arxiv",
    "version": 1
  }
}